Question

Six coins are tossed simultaneously. Find the probability of getting:

1. 3 heads

2. No heads

3. atleast one head

Answer 1

3heads:3÷13
no heads:3÷6
at least 1 head:1÷12

Answer 2

As 6 coins are tossed, total outcomes are 64.
1.P[3 heads]=20/64
                    =5/16
2.P[no heads]=1/64
3.P[At least one head]=63/64